Speaking and signaling apparatus.



H. G. PAPE. SPEAKING AND SIGNALING APPARATUS.

APPLICATION FILED DEC.26, IBM. 1 272,993. Patented July 16, 1918.

' 2 SHEETS-SHEET l.

mm W

H. G. PAPE. SPEAKING AND SIGNALING APPARATUS.

APPLICATION FILED DEC. 26 I914.

2 SHEETS-SHEET 2.

Patented July 16, 1918.

[0 sass between the deflector 12 and the wall of the The occupant of the vehicle may speak directly into the hell (3, the direction of the sound being reversed, that is the sound striking the surface 15 is rel c-hood on the surface 12 and transmitted through the tube 5, and passes outward through the annular pastiigesdormcd by the wall of the hell and the rolled end of the funnel 10 and the casing 3. t

i The casing 3 may be secured centrally within the hell by screws 17 extending through the bell and threaded into bracket arms 18 projecting from the casing.

The speaking tube 5 is preferably a flexible metal tube permitting the bells at each end of the tube to be moved or placed in any convenient position and facing in any de- 20 sired direction. Each of the bells also has ":9 a swivel connection with the tube thereby increasing the flexibility of the apparatus. Th "on between the bell 4 andthc tube 5 comprises a sleeve '20 dramatists an open ing the base of the hell 4. Au outer sleeve 21 threaded on to the sleeve 2Unis provided ntits outer end with an annular recess to receive an inturned flange on the adjoining end of. a coupling ring or collar 23, in

which is secured, by soldering, brazing or otherwise, the end of the tube'a'i. As the sleevefzlswivels in the collar 23, the hell 4 may be rotated relatively to the tube 5, and owing to the eccentric connection of the hell with thetuh'e a wide rang": of adjustment of the licl ljis provided.

The connection between the tube 5 and the hell] 6 is similar" to thatjust described and comprises an inner tube 24 threaded within the hell 6. anti outer sleeves or rings 25 and 26 connected respectively to the tube 24. and

V t he tubefi and swivelly connected with each other at27. The sleeve 24 is extended within the bellll to form a support for an amplifytil rned back to form a sound deflector. The

end 30 of the tube :24 is preferably tapered to conform to the tapering end of the born 28 The microphone transmitter as diagram- .matically' shown in Fig. 1 may comprise a diaphragm 3 1 responsive to sound vi brations impressed thereon and operable in a well known manner on the resistance \'ary ingZ- medium 32 between the diaphragm and electrode 33"to vary the resistance in the elctrical'circuit and thereby set up electrical 'im alias whivnin the reprmluu-r it are transformed ihto sound waves. The diaphragm Ell is electrically coimoctcd through lts'i'ing mum; switch contacts 353 and a sprain-am 36' to a terminal socket 3?. The c ccl"riul 33' is connected through a conduc- It to a socket 39. plitpi i cord termiab It? and -ll are adapted to ilil in the sockets 37 and 39 respectively and are connected to the ends of conductors preferably a in the form. of a flexible cord 42 extendin to a cord. outlet block 43 which may be 0 any approved form. The block 43 may be secured in any convenient position to a wall or other part of the vehicle.

.A' feature of the present invention relates to means for givingfi signal by the removal of the transmitter 1 from its casing, keeper 5 or support 2. Such means comprises an automatic circuit opener or closer i4; within the transmitter which when the transmitter is placed in the pocket 2 is automatically forced inward against the tension of the g0 spring arm.36 separating the latter from a the arm 34- and another spring arm 45 which carries a contact 46; adapted to electrically connect with the arm 36 momentarily when the push button 44 is released. The operation of the signal device is as followsz- I When the moving contact of the circuit opener or closer is released by the withdrawal of the transmitter from its pocket or keeper, the arm 36 springs downward (Fig. 1), moving the button 4t outward. During this movement, the arm 36 first strikes the contact -l6 on the arm 45 thereby establishing a signal circuit. This circuit may be traced from the terminal 47 of the battery B through conductor 48, bar 49 of the terminal block 50. conductor 51, magnet coil 7, conductor 52, bar 53, conductor 54, cord -12, contacts l1 39, conductor 55, resistance 56, switch arm 45, contact 46, switch o arm 36, contacts 37, 40, cord 42, wire 57, bar

7 5S and conductor 59 to the opposite'terminal ($0 of the battery. The circuit thus established .permits a momentary flow of curicnl. which sets up. a magnetic impulse in the nuignet H, and produces a momentary vi-. bration of the dia ihragm which is heard as a sharp sound or c ickwhich serves as a signal to direct. the attention of the driver. The circuit thus momentarily establishedis 119 immediately broken as the continued downward movement of the switch arm 36 brings the outer end of said arm against'an insulating piece 61 and forces the arm 45 downward and opens the circrrltat the contact 46. The arm 36 now enga es the contact 35 on the arm 34 and (stab ishes a speaking circuit which it is impossible to break through any ordinary jar of the carriage oi the passenger within. The resistance 56 prevents 123 an excessive current and may be adjusted to secure as powerful an action of the magm-t T as the adjustment of the dia hragm 85 will permit without causin t e diaphragm to strike and stick to t 'e magnet. 25 The speaking circuit is the same as the signal rirl-hit already traced except that within the transmitter the (-ircuit is by way of the conductor 38, electrode 33, resistance 32,

electrode 31 and switch arms ill. 36. 13

v establish the speaking circuit,

It will be seen from the above that the pickin up of the transmitter operates automatica ly, first to give a signal, and then to the speaking circuit being maintained without the need of the speaker holding a switch button depressed, or dtherwise maintaining the circuit. The return of the transmitter to its keeper which has its opening limited to cause a fairly lirm grip on the transmitter, automatically reopens the circuit by pressin the button 44 inward. i will also be apparent that it is not necessary, after the removal of the trans mitter from its support, to restore the same and then again remove it, in order to give a signal; since, when once the hand, set is in the operators hand for use, the switch is quite readily operated by hand, as by the pressing of the protruding button.

The transmitter 1 may comprise an inclosing casing 63 and a handle 64. through which the cord 42 extends, said hand'le having an extension b5 forming a backing for the casing (53. 'lhelmndlc is also provided with ii pocket or chamber (36 to accommodatethe split pin terminals and 41, and socket terminals 37"and 31) (Fig. 1).

The terminal clips 47, (30, on the battery, and on the bars 4!), 53, 58, may all be of like construction and. each comprises a spring arm 66' with an opening to'receive the el- I bow of an arm (i7 so that by arm 66' inward, an opening is provided he- 35 springing the tween the two arms to receive a wire terminal and securely clamp it when the arm 66' is released. It will be seen that all. the electrical connections required in installing the apparatus in a vehicle or other situation can be readily made without the use of special tools, the ripping up of covered, embedded, or tacked down wires or cords and thereby perhaps the spoiling of fancy trimmings or flll'lllhllili's such as are commonly used in ,cxpcnsive limousines. or the like.

Fig. 5 illustrates modilication in which [um automatic switch for the signal circuit and .spealiinr circuit is separate i'rom the qg transmiltcr 1. and perated as in Fig. 1 by 0 thcnenmval and rcplacin; ot' the transmit;-

l ter. In this arrangement the transmitter 1 when placed II] the pocket 2, sprmgactualcd presses a arm Til and moves the. switch arm it) to open position. When the transmitter is willulrawn. the switch arm 36" springs toihc right, momentarily closing the b'-' 'llttl circuit a it reaches the intermediate position shown in this ligrurc. and

"The portion of the speaking circuitbetween the con ducl'ors 57 and 5+ may be tra ed from conductor iii through switch arms 36', 34', con nector block 43. cord 42, transmitter 1, cord 42, connector block 43 and Wire 54'.

- Various modifications may be resorted the transmitter or its to without departing from the spirit and scope of my invention, and some parts of the invention may be used without others.

What I claim as new and desire to secure by Letters Patent of the United States is:

1. In a telephone system, in combination, a telephone circuit, a microphone hand set in said circuit, a support for the hand set, an exterior pressure operated current switch carried by the hand set, said switch being operable by the hand of the operator to make and break the circuitjor signaling pur- M508, and operable by the removal of the hand set from the support, to make the circuit, and also operable by the restoring of the hand set to the support, to break the circuit.

2. The combination with a telephone transmitter, of a fixed resistance carried by support, a voice -reprodncer, electrical circuit connections, means operable automatically by the' removal of the transmitter from its support to send a current through the resistance and the reproducer, then to shut said current oil and then to establish its flow through the transmittcr and reproduccr with the resistance out of the circuit.

3. The combination of a microphone, a receiver, a fixed resistance, a source of current supply, means to transmit. current from said source of current supply automatically and selcctivclv through the fixed resistance and the receiver and thereafter with the fixed resistance out of the circuit through the varying resistance of the microphone and the receiver.

4. ]n a telephone system. a signal circuit comprising a lixed nonmagnetic resistance, a speaking circuit. a transmitter and sound reproducer in said circuit, said l'ixcd resistance permitting the passage of a greater How of current than the varying resistance of the transmitter before the latter is spoken into. and switching means for permitting the alternate flow of current through the signaling circuit and through the speaking circuit. the lixcd resistance being always out of circuit while the transmitter is in circuit and serving the exclusive purpose of limiting the current flow for signaling pnrposes.

In a telephone system for fehimcs, a microphone hand transmitter, a "switch car-. ried thereby, a pressure controling means by which the switch is operated, a reproducer for the transmitter at a point remote therefrom, a gripping pocket or keeping member for'the transmitterhaving a limited opening for compressingthe pressurecontrolling means, said switch being in a closed circuit position when the transmitter is removed from its pocket or keeping member. and said switch being open when the pressure controlling means is gripped or compressed by t I i I thepsitioning -"poclmt or keeping member. ii fililn'a phone system for vehicles, a 1111- croplinne handtransmitter, a reprodneer for the same "at a point remote theretroin, a gripphigfpoeket keeper having a hunted openuugfor,thetransnntter, and a switch having a-"rcsl'liei'it member, said resilient member being compressed for holding the switch con- Idthctsopen when the transm tter is stored in "its" poll'ket or keeper and springing into con- "tactposi'tion' withthe relnova oi the transi i-litter fron-i' itslpockct or keeper.

7. Inatelcphone-system, the combination with a-telephonie circuit, of a removable hand "f-transiiiitter therein, a gripping support by whit-1: 5am. transmitter is carried, a receiver coinprising a signal device in the circuit rc- "*l'notef'rom the trimslmtter, a ,Cl'l'ljtlll; closer,

zoiiind pressure controlled means actuated by the removal of the transmitter from its supportto rinse saidcircnit closer and 'cansc said sigi'mldevicc to give a signal or notice of a 'lncssage about -to be given and then to esiablish a speaking circuit for the transmitter. *8; 311 a telephone system, the combination wit'ha telephone circuit, of a hand instrument in said circuit comprising sound t 'ans- 3o fiirming mechanism, an inc using casing, a handle therefor, a telephone receiver comprising a signal device in said circuit at a Q point remote from the said instrument, and a'switch comprising a push button projecting from the casing and operable when unrestrained to establish an electrical circuit for said n ecl'iauism', and operable when ex- 1 ternal pressure is applied to said button to cause "an electrical impulse to be given to 4-0 'said signal. device and also to open said Oil.-

euit.

' 9. In a telephone system, a telephone cirsg di iie in saidcircuit controlled by said iirt' lsvfgitblgeffiu"; a, I j w 1*? lbg lir a telephone system, thereombina- 'i-"tli'rofor'" an exterior pressureoperpted cursq' ficnt switch earned by the hand-set, said late? l'iuz; amt) ctr of the transmitter to its chihii hand telephone comprising clean-0 diom-oi? a microphone handset, a supportswitch being operable by the removal of the hand set from its sup rt, to make circuit connections for a signai i li circuit and other connections for a spea ing circuit, said switch also operable by the restoring of the hand set to the support, to break the Eircuit.

1].. In a telephone system, the combination of a microphone hand set, a support therefor, an exterior pressure operated current switch carried by the hand set, said switch being operable by the removal of the hand set from its support, to make circuit connections for a, signaling and speaking circuit, said switch bein also operable by the restoring of the handset to its support, to break circuit,

12. In a telephone system, the combination with a telephone circuit, of a hand instrument in said circuit, a signal device in said circuit atla point remote from said hand instrument, a fixed resistance, a source of current supply, a switchcomprising a push member operable when released from an external pressure to establish an electrical circuit through said fixed resistanc' f and through said signal device, then to open the circuit, and then to establish an electrical circuit through the hand instrument and. through the signal device with said resistance out of the circuit, said switch bei in: also operable when external pressure is applied to said push member to cause the breaking of the circuit throughthe hand instrument, then to establish a circuit through the fixed resistance and through the signal, and then to break said latter circuit.

13., In a telephone system, the combination with a teic hone circuit, of a hand instrument in sai circuit, a signal device in said circuit at a point. remote from said hand instrument, a fixed resistance, a source of current supply, a switch comprising a push member projecting from said hand -1n'stru mentand operable when released from an external pressure to establish an electrical. circuit through said hand instrument, and operable when external pressure is ap plied to said push member, tobreak the circuit throu h said hand instrument, then to establish t 1e circuit through said resistance and through. said signal device, and then also to open said circuit.

Signed at New York, in the county of New York and State of New York this'2lst day of December, A. D. 1914.

HERMAN G. Witnesses:

Ina D. PAPE. 

